June 6, 1944

June 13, 1944

June 15, 1944

U.S. troops make an amphibious assault on the Japanese -held island of Saipan in the Marianas.

June 19, 1944

The U.S. defeat the Japanese in a massive air battle known as the Battle of the Philippine Sea. The Japanese lost more than 400 planes and three carriers. This victory paved the way for eventual success in the Marianas invasion.

June 27, 1944

July 3, 1944

July 7, 1944

July 9, 1944

July 20, 1944

German military leaders attempt but fail to kill Adolf Hitler in the Rastenburg Assassination Plot. Hitler then kills about 200 suspected plotters. U.S. troops make an amphibious assault on the Japanese -held island of Guam in the Marianas.

July 23, 1944

U.S. troops make an amphibious assault on the Japanese -held island of Tinian in the Marianas.